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Why is processing a sorted array faster than processing an unsorted array?
...me strange reason, sorting the data miraculously makes the code almost six times faster:
26 Answers
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Functional, Declarative, and Imperative Programming [closed]
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At the time of writing this, the top voted answers on this page are imprecise and muddled on the declarative vs. imperative definition, including the answer that quotes Wikipedia. Some answers are conflating the terms in different w...
Test whether a list contains a specific value in Clojure
...e correct way to do what you're trying to do is as follows:
; most of the time this works
(some #{101} '(100 101 102))
When searching for one of a bunch of items, you can use a larger set; when searching for false / nil, you can use false? / nil? -- because (#{x} x) returns x, thus (#{nil} nil) i...
How to append a newline to StringBuilder
... @tuscland - Why not just use System.lineSeparator() all the time? Why is '\n' a better option as default?
– RyanfaeScotland
Jun 3 '15 at 15:46
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Multiline strings in VB.NET
...e you want to send some variables, which is what you need to do 99% of the time.
... <%= variable %> ...
Here's how you do it:
<SQL>
SELECT * FROM MyTable WHERE FirstName='<%= EnteredName %>'
</SQL>.Value
...
What is the “Execute Around” idiom?
...nversion of Control (Dependency Injection) that you can vary ad hoc, every time you call the method.
But it could also be interpreted as an example of Control Coupling (telling a method what to do by its argument, literally in this case).
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What is a raw type and why shouldn't we use it?
...erics were introduced. That is, the following is entirely legal at compile-time.
List names = new ArrayList(); // warning: raw type!
names.add("John");
names.add("Mary");
names.add(Boolean.FALSE); // not a compilation error!
The above code runs just fine, but suppose you also have the following:
fo...
VS 2012: Scroll Solution Explorer to current file
...Alt+L for navigating to the solution explorer
Track current file all the time:
Visual Studio >= 2012:
If you like to track your current file in the solution explorer all the time, you can use the solution from the accepted answer (Tools->Options->Projects and Solutions->Track Active...
How do I expire a PHP session after 30 minutes?
...
You should implement a session timeout of your own. Both options mentioned by others (session.gc_maxlifetime and session.cookie_lifetime) are not reliable. I'll explain the reasons for that.
First:
session.gc_maxlifetime
session.gc_maxlifetime speci...
How do you loop in a Windows batch file?
...
If you want to do something x times, you can do this:
Example (x = 200):
FOR /L %%A IN (1,1,200) DO (
ECHO %%A
)
1,1,200 means:
Start = 1
Increment per step = 1
End = 200
...